date: Tue Jul 15 13:35:46 2008 from: Tim Osborn subject: Re: FW: FW: Fundametal analysis of the effect of CO2 to: "Sheppard Sylv Miss \(SCI\)" No. But googling piers forster leeds comes up with: piers@env.leeds.ac.uk Tim At 13:23 15/07/2008, you wrote: Hi Tim See email below from Phil. Do you have Piers' email address please? Thanks Sylv -----Original Message----- From: P.Jones@uea.ac.uk [[1]mailto:P.Jones@uea.ac.uk] Sent: Tuesday, July 15, 2008 1:10 PM To: Sheppard Sylv Miss (SCI) Subject: Re: FW: Fundametal analysis of the effect of CO2 > Sylvia, Forward this to Piers Forster of Leeds. Tim will have his email. Cheers phil > > -----Original Message----- > From: John Nicol [[2]mailto:jonicol@netspace.net.au] > Sent: Sunday, July 13, 2008 11:48 AM > To: Sheppard Sylv Miss (SCI) > Subject: Fundametal analysis of the effect of CO2 > > > > > Dear Sylvia, > > I read through your publication list some time ago and was > disappointed not to find any reference to a direct analysis of the > radiation absorption and energy distribution characteristics of CO2 > and other greenhouse gases in the atmosphere, which, as I understand > the problem, is the very basis of the "Greenhouse effect". > > I am interested personally in studying this process and have written a > simple draft of a potential paper which attempts to derive directly > and quantitatively the physical effect of the 15 micron band of carbon > dioxide in absorbing IR radiation from the earth and distributing the > absorbed energy to the atmosphere through intermolecular collisions. > Account is also taken of the effects of collisional line broadening of > the components of this most significant band in determining the > absorption in regions across the full spectrum of a ~300 degrees K > surface radiation from the earth (~1 to 50 microns). I have recently > made similar calculations for the other bands at 2.7 and 4.3 microns > to be combined with the effects of the 15 micron and included cut-offs > for the collision broadening to account for restriction to higher > energies for effective broadening collisions at large frequency shifts > - i.e. in the far wings of the lines. These latest changes are not > included in the current draft which I attach for the interest of > people working in your centre or others of whom they may be aware > would have worked in this field of spectroscopy. > > Unfortunately, the results of these calculations seem to show that > over the 10 km path from the earth surface to the top of the > atmosphere > (tropopause) almost all of the earth's radiation is absorbed and most of > it at very low altitudes, where the radiation is converted to kinetic > energy of the many gaseous components of air and is therefore carried > upwards by convection, providing very little back radiation to warm the > surface beyond what would arise from a much lower concentration of > greenhouse gas. This seems to imply that increases in carbon dioxide > concentrations in the atmosphere will have no effect at all in > increasing the earth's temperature. I realise that this goes against > conventional wisdom and would be very loath to attempt to publish the > final paper without its being further carefully analysed by another > competent physicist familiar with molecular spectroscopy. I have > already discussed it with other physicists and it has been open to > viewers on the web for about two months but the only responses to it are > in agreement with its findings. There appear to be no papers in the > literature, as yet, or at least which I can find, which I can find, > which confirm or dispute the results obtained here, although papers in > which the absorption characteristics of the wings of the lines and of > the basic collisional line broadening of them which is crucial to this > analysis, are consistent with its conclusions. > > I would appreciate your comments or those of colleagues, should you > have the time to peruse it. Thank you, > John Nicol > jonicol@netspace.net.au > jonicol@bigpond.com > Ph: 07 4663 7793 > Fax:07 4663 7713 > Mob: 0409 761 503 > "If you allow me four free parameters I can build a mathematical model > that describes exactly everything that an elephant can do. If you > allow me a fifth free parameter, the model I build will forecast that > the elephant will fly." > von Neumann - mathematical physicist. > > 'Today is the first day of the rest of your life. But so was > yesterday, and look how you messed that up.' "A man has made at least > a start on discovering the meaning of human life when he plants shade > trees under which he knows full well he will never sit." > > Life in this world consists of a multiplicity of fragments which are > brought together over time to complete a complex collage, a work of > art which we all admire. Some of the individual pieces may not be to > our taste, but may totally define the life of others. > > --~--~---------~--~----~------------~-------~--~----~ > You received this message because you are subscribed to the Google > Groups "climatescience" group. To post to this group, send email to > climatescience@googlegroups.com To unsubscribe from this group, send > email to climatescience-unsubscribe@googlegroups.com > For more options, visit this group at > [3]http://groups.google.com/group/climatescience?hl=en > -~----------~----~----~----~------~----~------~--~--- > > >